summaryrefslogtreecommitdiff
path: root/ffmpeg.c
diff options
context:
space:
mode:
Diffstat (limited to 'ffmpeg.c')
-rw-r--r--ffmpeg.c925
1 files changed, 386 insertions, 539 deletions
diff --git a/ffmpeg.c b/ffmpeg.c
index 54ad2a3627..da763eee67 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -96,6 +96,9 @@
#define VSYNC_VFR 2
#define VSYNC_DROP 0xff
+// #define SRCA
+#define SINKA
+
const char program_name[] = "ffmpeg";
const int program_birth_year = 2000;
@@ -167,11 +170,6 @@ static int print_stats = 1;
static int debug_ts = 0;
static int current_time;
-static uint8_t *audio_buf;
-static unsigned int allocated_audio_buf_size;
-static uint8_t *async_buf;
-static unsigned int allocated_async_buf_size;
-
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
typedef struct InputFilter {
@@ -241,6 +239,11 @@ typedef struct InputStream {
int resample_width;
int resample_pix_fmt;
+ int resample_sample_fmt;
+ int resample_sample_rate;
+ int resample_channels;
+ uint64_t resample_channel_layout;
+
/* a pool of free buffers for decoded data */
FrameBuffer *buffer_pool;
int dr1;
@@ -276,7 +279,6 @@ typedef struct OutputStream {
AVBitStreamFilterContext *bitstream_filters;
AVCodec *enc;
int64_t max_frames;
- AVFrame *output_frame;
AVFrame *filtered_frame;
/* video only */
@@ -292,20 +294,8 @@ typedef struct OutputStream {
int forced_kf_count;
int forced_kf_index;
- /* audio only */
- int audio_resample;
- int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
- int audio_channels_mapped; ///< number of channels in audio_channels_map
- int resample_sample_fmt;
- int resample_channels;
- uint64_t resample_channel_layout;
- int resample_sample_rate;
- float rematrix_volume;
- AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
FILE *logfile;
- SwrContext *swr;
-
OutputFilter *filter;
char *avfilter;
@@ -363,8 +353,6 @@ typedef struct OptionsContext {
int nb_audio_channels;
SpecifierOpt *audio_sample_rate;
int nb_audio_sample_rate;
- SpecifierOpt *rematrix_volume;
- int nb_rematrix_volume;
SpecifierOpt *frame_rates;
int nb_frame_rates;
SpecifierOpt *frame_sizes;
@@ -705,9 +693,9 @@ static enum PixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum Pixe
return target;
}
-static char *choose_pixel_fmts(OutputStream *ost)
+static char *choose_pix_fmts(OutputStream *ost)
{
- if (ost->keep_pix_fmt) {
+ if (ost->keep_pix_fmt) {
if (ost->filter)
avfilter_graph_set_auto_convert(ost->filter->graph->graph,
AVFILTER_AUTO_CONVERT_NONE);
@@ -737,8 +725,10 @@ static char *choose_pixel_fmts(OutputStream *ost)
}
}
- for (; *p != PIX_FMT_NONE; p++)
- avio_printf(s, "%s:", av_get_pix_fmt_name(*p));
+ for (; *p != PIX_FMT_NONE; p++) {
+ const char *name = av_get_pix_fmt_name(*p);
+ avio_printf(s, "%s:", name);
+ }
len = avio_close_dyn_buf(s, &ret);
ret[len - 1] = 0;
return ret;
@@ -746,11 +736,149 @@ static char *choose_pixel_fmts(OutputStream *ost)
return NULL;
}
-static int configure_video_filters(FilterGraph *fg)
+/**
+ * Define a function for building a string containing a list of
+ * allowed formats,
+ */
+#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
+static char *choose_ ## var ## s(OutputStream *ost) \
+{ \
+ if (ost->st->codec->var != none) { \
+ get_name(ost->st->codec->var); \
+ return av_strdup(name); \
+ } else if (ost->enc->supported_list) { \
+ const type *p; \
+ AVIOContext *s = NULL; \
+ uint8_t *ret; \
+ int len; \
+ \
+ if (avio_open_dyn_buf(&s) < 0) \
+ exit_program(1); \
+ \
+ for (p = ost->enc->supported_list; *p != none; p++) { \
+ get_name(*p); \
+ avio_printf(s, "%s" separator, name); \
+ } \
+ len = avio_close_dyn_buf(s, &ret); \
+ ret[len - 1] = 0; \
+ return ret; \
+ } else \
+ return NULL; \
+}
+
+#define GET_PIX_FMT_NAME(pix_fmt)\
+ const char *name = av_get_pix_fmt_name(pix_fmt);
+
+// DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
+// GET_PIX_FMT_NAME, ":")
+
+#define GET_SAMPLE_FMT_NAME(sample_fmt)\
+ const char *name = av_get_sample_fmt_name(sample_fmt)
+
+DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
+
+#define GET_SAMPLE_RATE_NAME(rate)\
+ char name[16];\
+ snprintf(name, sizeof(name), "%d", rate);
+
+DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
+ GET_SAMPLE_RATE_NAME, ",")
+
+#define GET_CH_LAYOUT_NAME(ch_layout)\
+ char name[16];\
+ snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
+
+DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
+ GET_CH_LAYOUT_NAME, ",")
+
+static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter,
+ AVFilterContext **out_filter)
+{
+ InputStream *ist = fg->inputs[0]->ist;
+ OutputStream *ost = fg->outputs[0]->ost;
+ AVCodecContext *codec = ost->st->codec;
+ AVCodecContext *icodec = ist->st->codec;
+ char *sample_fmts, *sample_rates, *channel_layouts;
+ char args[256];
+ int ret;
+
+ avfilter_graph_free(&fg->graph);
+ if (!(fg->graph = avfilter_graph_alloc()))
+ return AVERROR(ENOMEM);
+
+#ifdef SRCA
+ snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:"
+ "channel_layout=0x%"PRIx64, ist->st->time_base.num,
+#else
+ snprintf(args, sizeof(args), "%d/%d:%d:%s:"
+ "0x%"PRIx64, ist->st->time_base.num,
+#endif
+ ist->st->time_base.den, icodec->sample_rate,
+ av_get_sample_fmt_name(icodec->sample_fmt), icodec->channel_layout);
+ ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
+ avfilter_get_by_name("abuffer"),
+ "src", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_graph_create_filter(&fg->outputs[0]->filter,
+ avfilter_get_by_name("abuffersink_old"),
+ "out", NULL, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ *in_filter = fg->inputs[0]->filter;
+ *out_filter = fg->outputs[0]->filter;
+
+ if (codec->channels && !codec->channel_layout)
+ codec->channel_layout = av_get_default_channel_layout(codec->channels);
+
+ sample_fmts = choose_sample_fmts(ost);
+ sample_rates = choose_sample_rates(ost);
+ channel_layouts = choose_channel_layouts(ost);
+ if (sample_fmts || sample_rates || channel_layouts) {
+ AVFilterContext *format;
+ char args[256];
+ int len = 0;
+
+ if (sample_fmts)
+ len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
+ sample_fmts);
+ if (sample_rates)
+ len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
+ sample_rates);
+ if (channel_layouts)
+ len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
+ channel_layouts);
+ args[len - 1] = 0;
+
+ av_freep(&sample_fmts);
+ av_freep(&sample_rates);
+ av_freep(&channel_layouts);
+
+ ret = avfilter_graph_create_filter(&format,
+ avfilter_get_by_name("aformat"),
+ "aformat", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(format, 0, fg->outputs[0]->filter, 0);
+ if (ret < 0)
+ return ret;
+
+ *out_filter = format;
+ }
+
+ return 0;
+}
+
+static int configure_video_filters(FilterGraph *fg, AVFilterContext **in_filter,
+ AVFilterContext **out_filter)
{
InputStream *ist = fg->inputs[0]->ist;
OutputStream *ost = fg->outputs[0]->ost;
- AVFilterContext *in_filter, *out_filter, *filter;
+ AVFilterContext *filter;
AVCodecContext *codec = ost->st->codec;
AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
char *pix_fmts;
@@ -758,11 +886,6 @@ static int configure_video_filters(FilterGraph *fg)
char args[255];
int ret;
- avfilter_graph_free(&fg->graph);
- fg->graph = avfilter_graph_alloc();
- if (!fg->graph)
- return AVERROR(ENOMEM);
-
if (ist->st->sample_aspect_ratio.num) {
sample_aspect_ratio = ist->st->sample_aspect_ratio;
} else
@@ -791,8 +914,8 @@ static int configure_video_filters(FilterGraph *fg)
if (ret < 0)
return ret;
- in_filter = fg->inputs[0]->filter;
- out_filter = fg->outputs[0]->filter;
+ *in_filter = fg->inputs[0]->filter;
+ *out_filter = fg->outputs[0]->filter;
if (codec->width || codec->height) {
snprintf(args, 255, "%d:%d:flags=0x%X",
@@ -802,27 +925,53 @@ static int configure_video_filters(FilterGraph *fg)
if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
NULL, args, NULL, fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(in_filter, 0, filter, 0)) < 0)
+ if ((ret = avfilter_link(*in_filter, 0, filter, 0)) < 0)
return ret;
- in_filter = filter;
+ *in_filter = filter;
}
- if ((pix_fmts = choose_pixel_fmts(ost))) {
+ if ((pix_fmts = choose_pix_fmts(ost))) {
if ((ret = avfilter_graph_create_filter(&filter,
avfilter_get_by_name("format"),
"format", pix_fmts, NULL,
fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(filter, 0, out_filter, 0)) < 0)
+ if ((ret = avfilter_link(filter, 0, *out_filter, 0)) < 0)
return ret;
- out_filter = filter;
+ *out_filter = filter;
av_freep(&pix_fmts);
}
snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
fg->graph->scale_sws_opts = av_strdup(args);
+ return 0;
+}
+
+static int configure_simple_filtergraph(FilterGraph *fg)
+{
+ OutputStream *ost = fg->outputs[0]->ost;
+ AVFilterContext *in_filter, *out_filter;
+ int ret;
+
+ avfilter_graph_free(&fg->graph);
+ fg->graph = avfilter_graph_alloc();
+ if (!fg->graph)
+ return AVERROR(ENOMEM);
+
+ switch (ost->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ ret = configure_video_filters(fg, &in_filter, &out_filter);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ret = configure_audio_filters(fg, &in_filter, &out_filter);
+ break;
+ default: av_assert0(0);
+ }
+ if (ret < 0)
+ return ret;
+
if (ost->avfilter) {
AVFilterInOut *outputs = avfilter_inout_alloc();
AVFilterInOut *inputs = avfilter_inout_alloc();
@@ -1000,7 +1149,7 @@ static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFil
pad_idx = 0;
}
- if ((pix_fmts = choose_pixel_fmts(ofilter->ost))) {
+ if ((pix_fmts = choose_pix_fmts(ofilter->ost))) {
AVFilterContext *filter;
if ((ret = avfilter_graph_create_filter(&filter,
avfilter_get_by_name("format"),
@@ -1097,7 +1246,8 @@ static int configure_complex_filters(void)
static int configure_filtergraph(FilterGraph *fg)
{
- return fg->graph_desc ? configure_complex_filter(fg) : configure_video_filters(fg);
+ return fg->graph_desc ? configure_complex_filter(fg) :
+ configure_simple_filtergraph(fg);
}
static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
@@ -1258,12 +1408,6 @@ void av_noreturn exit_program(int ret)
}
output_streams[i]->bitstream_filters = NULL;
- if (output_streams[i]->output_frame) {
- AVFrame *frame = output_streams[i]->output_frame;
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- av_freep(&frame);
- }
av_freep(&output_streams[i]->filtered_frame);
av_freep(&output_streams[i]);
}
@@ -1289,10 +1433,6 @@ void av_noreturn exit_program(int ret)
av_freep(&output_files);
uninit_opts();
- av_freep(&audio_buf);
- allocated_audio_buf_size = 0;
- av_freep(&async_buf);
- allocated_async_buf_size = 0;
avfilter_uninit();
avformat_network_deinit();
@@ -1354,37 +1494,6 @@ static void choose_sample_fmt(AVStream *st, AVCodec *codec)
}
}
-static void choose_sample_rate(AVStream *st, AVCodec *codec)
-{
- if (codec && codec->supported_samplerates) {
- const int *p = codec->supported_samplerates;
- int best = 0;
- int best_dist = INT_MAX;
- for (; *p; p++) {
- int dist = abs(st->codec->sample_rate - *p);
- if (dist < best_dist) {
- best_dist = dist;
- best = *p;
- }
- }
- if (best_dist) {
- int i;
- const int *sample_rates = codec->supported_samplerates;
- av_log(st->codec, AV_LOG_WARNING,
- "Requested sampling rate (%dHz) unsupported, using %dHz instead\n"
- "Available sampling rates for %s:",
- st->codec->sample_rate, best, codec->name);
- for (i = 0; sample_rates[i]; i++) {
- if (!sample_rates[i + 1]) av_log(st->codec, AV_LOG_WARNING, " and");
- else if (i) av_log(st->codec, AV_LOG_WARNING, ",");
- av_log(st->codec, AV_LOG_WARNING, " %d", sample_rates[i]);
- }
- av_log(st->codec, AV_LOG_WARNING, ".\n");
- }
- st->codec->sample_rate = best;
- }
-}
-
static double
get_sync_ipts(const OutputStream *ost, int64_t pts)
{
@@ -1447,104 +1556,38 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
}
}
-static void get_default_channel_layouts(OutputStream *ost, InputStream *ist)
-{
- char layout_name[256];
- AVCodecContext *enc = ost->st->codec;
- AVCodecContext *dec = ist->st->codec;
-
- if (dec->channel_layout &&
- av_get_channel_layout_nb_channels(dec->channel_layout) != dec->channels) {
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- dec->channels, dec->channel_layout);
- av_log(NULL, AV_LOG_ERROR, "New channel layout (%s) is invalid\n",
- layout_name);
- dec->channel_layout = 0;
- }
- if (!dec->channel_layout) {
- if (enc->channel_layout && dec->channels == enc->channels) {
- dec->channel_layout = enc->channel_layout;
- } else {
- dec->channel_layout = av_get_default_channel_layout(dec->channels);
-
- if (!dec->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
- "layout for Input Stream #%d.%d\n", ist->file_index,
- ist->st->index);
- exit_program(1);
- }
- }
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- dec->channels, dec->channel_layout);
- av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
- "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
- }
- if (!enc->channel_layout) {
- if (dec->channels == enc->channels) {
- enc->channel_layout = dec->channel_layout;
- return;
- } else {
- enc->channel_layout = av_get_default_channel_layout(enc->channels);
- }
- if (!enc->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find default channel layout "
- "for Output Stream #%d.%d\n", ost->file_index,
- ost->st->index);
- exit_program(1);
- }
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- enc->channels, enc->channel_layout);
- av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Output Stream "
- "#%d.%d : %s\n", ost->file_index, ost->st->index, layout_name);
- }
-}
-
-static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
-{
- int fill_char = 0x00;
- if (sample_fmt == AV_SAMPLE_FMT_U8)
- fill_char = 0x80;
- memset(buf, fill_char, size);
-}
+// static int check_recording_time(OutputStream *ost)
+// {
+// OutputFile *of = output_files[ost->file_index];
+//
+// if (of->recording_time != INT64_MAX &&
+// av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
+// AV_TIME_BASE_Q) >= 0) {
+// ost->is_past_recording_time = 1;
+// return 0;
+// }
+// return 1;
+// }
-static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
- const uint8_t *buf, int buf_size)
+static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+ AVFrame *frame)
{
AVCodecContext *enc = ost->st->codec;
- AVFrame *frame = NULL;
AVPacket pkt;
- int ret, got_packet;
+ int got_packet = 0;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
-
- if (buf && buf_size) {
- if (!ost->output_frame) {
- ost->output_frame = avcodec_alloc_frame();
- if (!ost->output_frame) {
- av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
- exit_program(1);
- }
- }
- frame = ost->output_frame;
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- avcodec_get_frame_defaults(frame);
-
- frame->nb_samples = buf_size /
- (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
- if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
- buf, buf_size, 1)) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_fill_audio_frame)\n");
- exit_program(1);
- }
-
+#if 0
+ if (!check_recording_time(ost))
+ return;
+#endif
+ if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
frame->pts = ost->sync_opts;
- ost->sync_opts += frame->nb_samples;
- }
+ ost->sync_opts = frame->pts + frame->nb_samples;
- got_packet = 0;
+ av_assert0(pkt.size || !pkt.data);
update_benchmark(NULL);
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
@@ -1552,8 +1595,6 @@ static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
}
update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
- ret = pkt.size;
-
if (got_packet) {
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
@@ -1568,244 +1609,18 @@ static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
if (pkt.duration > 0)
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
write_frame(s, &pkt, ost);
audio_size += pkt.size;
-
av_free_packet(&pkt);
}
-
- if (debug_ts) {
- av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
- "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
- av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
- av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
- }
-
- return ret;
-}
-
-static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
- int nb_samples, int *buf_linesize)
-{
- int64_t audio_buf_samples;
- int audio_buf_size;
-
- /* calculate required number of samples to allocate */
- audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
- dec->sample_rate;
- audio_buf_samples = 4 * audio_buf_samples + 10000; // safety factors for resampling
- audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
- if (audio_buf_samples > INT_MAX)
- return AVERROR(EINVAL);
-
- audio_buf_size = av_samples_get_buffer_size(buf_linesize, enc->channels,
- audio_buf_samples,
- enc->sample_fmt, 0);
- if (audio_buf_size < 0)
- return audio_buf_size;
-
- av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
- if (!audio_buf)
- return AVERROR(ENOMEM);
-
- return 0;
-}
-
-static void do_audio_out(AVFormatContext *s, OutputStream *ost,
- InputStream *ist, AVFrame *decoded_frame)
-{
- uint8_t *buftmp;
- int64_t size_out;
-
- int frame_bytes, resample_changed;
- AVCodecContext *enc = ost->st->codec;
- AVCodecContext *dec = ist->st->codec;
- int osize = av_get_bytes_per_sample(enc->sample_fmt);
- int isize = av_get_bytes_per_sample(dec->sample_fmt);
- uint8_t *buf[AV_NUM_DATA_POINTERS];
- int size = decoded_frame->nb_samples * dec->channels * isize;
- int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
- int i;
- int out_linesize = 0;
-
- av_assert0(planes <= AV_NUM_DATA_POINTERS);
-
- for(i=0; i<planes; i++)
- buf[i]= decoded_frame->data[i];
-
-
- get_default_channel_layouts(ost, ist);
-
- if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples, &out_linesize) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
- exit_program(1);
- }
-
- if (audio_sync_method > 1 ||
- enc->channels != dec->channels ||
- enc->channel_layout != dec->channel_layout ||
- enc->sample_rate != dec->sample_rate ||
- dec->sample_fmt != enc->sample_fmt)
- ost->audio_resample = 1;
-
- resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
- ost->resample_channels != dec->channels ||
- ost->resample_channel_layout != dec->channel_layout ||
- ost->resample_sample_rate != dec->sample_rate;
-
- if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
-
- if (resample_changed) {
- av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:0x%"PRIx64" to rate:%d fmt:%s ch:%d chl:0x%"PRIx64"\n",
- ist->file_index, ist->st->index,
- ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt),
- ost->resample_channels, ost->resample_channel_layout,
- dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt),
- dec->channels, dec->channel_layout);
- ost->resample_sample_fmt = dec->sample_fmt;
- ost->resample_channels = dec->channels;
- ost->resample_channel_layout = dec->channel_layout;
- ost->resample_sample_rate = dec->sample_rate;
- swr_free(&ost->swr);
- }
- /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
- if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
- ost->resample_sample_fmt == enc->sample_fmt &&
- ost->resample_channels == enc->channels &&
- ost->resample_channel_layout == enc->channel_layout &&
- ost->resample_sample_rate == enc->sample_rate) {
- //ost->swr = NULL;
- ost->audio_resample = 0;
- } else {
- ost->swr = swr_alloc_set_opts(ost->swr,
- enc->channel_layout, enc->sample_fmt, enc->sample_rate,
- dec->channel_layout, dec->sample_fmt, dec->sample_rate,
- 0, NULL);
- av_opt_set_int(ost->swr, "dither_method", ost->swr_dither_method,0);
- av_opt_set_double(ost->swr, "dither_scale", ost->swr_dither_scale,0);
- if (ost->audio_channels_mapped)
- swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
- av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
- if (ost->audio_channels_mapped) {
- av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
- av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
- }
- if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
- exit_program(1);
- }
- if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
- exit_program(1);
- }
- if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
- if(ost->swr && swr_init(ost->swr) < 0){
- av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
- swr_free(&ost->swr);
- }
-
- if (!ost->swr) {
- av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
- dec->channels, dec->sample_rate,
- enc->channels, enc->sample_rate);
- exit_program(1);
- }
- }
- }
-
- av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
-
- if (audio_sync_method > 0) {
- double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
- av_fifo_size(ost->fifo) / (enc->channels * osize);
- int idelta = delta * dec->sample_rate / enc->sample_rate;
- int byte_delta = idelta * isize * dec->channels;
-
- // FIXME resample delay
- if (fabs(delta) > 50) {
- if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
- if (byte_delta < 0) {
- byte_delta = FFMAX(byte_delta, -size);
- size += byte_delta;
- for (i=0; i<planes; i++)
- buf[i] -= byte_delta/planes;
- av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
- -byte_delta / (isize * dec->channels));
- if (!size)
- return;
- ist->is_start = 0;
- } else {
- av_fast_malloc(&async_buf, &allocated_async_buf_size,
- byte_delta + size);
- if (!async_buf) {
- av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
- exit_program(1);
- }
-
- if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta, &out_linesize) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
- exit_program(1);
- }
- ist->is_start = 0;
-
- for (i=0; i<planes; i++) {
- uint8_t *t = async_buf + i*((byte_delta + size)/planes);
- generate_silence(t, dec->sample_fmt, byte_delta/planes);
- memcpy(t + byte_delta/planes, buf[i], size/planes);
- buf[i] = t;
- }
- size += byte_delta;
- av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
- }
- } else if (audio_sync_method > 1) {
- int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
- av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
- delta, comp, enc->sample_rate);
-// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
- swr_set_compensation(ost->swr, comp, enc->sample_rate);
- }
- }
- } else if (audio_sync_method == 0)
- ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
- av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
-
- if (ost->audio_resample || ost->audio_channels_mapped) {
- buftmp = audio_buf;
- size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp},
- allocated_audio_buf_size / (enc->channels * osize),
- (const uint8_t **)buf,
- size / (dec->channels * isize));
- if (size_out < 0) {
- av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
- exit_program(1);
- }
- size_out = size_out * enc->channels * osize;
- } else {
- buftmp = buf[0];
- size_out = size;
- }
-
- av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
-
- /* now encode as many frames as possible */
- if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
- /* output resampled raw samples */
- if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
- av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
- exit_program(1);
- }
- av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
-
- frame_bytes = enc->frame_size * osize * enc->channels;
-
- while (av_fifo_size(ost->fifo) >= frame_bytes) {
- av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
- encode_audio_frame(s, ost, audio_buf, frame_bytes);
- }
- } else {
- encode_audio_frame(s, ost, buftmp, size_out);
- }
}
static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
@@ -2121,6 +1936,7 @@ static int poll_filters(void)
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
+ int ret = 0;
if (!ost->filter || ost->is_past_recording_time)
continue;
@@ -2133,8 +1949,17 @@ static int poll_filters(void)
while (1) {
AVRational ist_pts_tb = ost->filter->filter->inputs[0]->time_base;
- ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
- AV_BUFFERSINK_FLAG_NO_REQUEST);
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ ret = av_buffersink_read_samples(ost->filter->filter, &picref,
+ ost->st->codec->frame_size);
+ else
+#ifdef SINKA
+ ret = av_buffersink_read(ost->filter->filter, &picref);
+#else
+ ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
+ AV_BUFFERSINK_FLAG_NO_REQUEST);
+#endif
if (ret < 0) {
if (ret != AVERROR(EAGAIN)) {
char buf[256];
@@ -2144,7 +1969,15 @@ static int poll_filters(void)
}
break;
}
- filtered_frame->pts = frame_pts = av_rescale_q(picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+ if (ost->enc->type == AVMEDIA_TYPE_VIDEO)
+ filtered_frame->pts = frame_pts = av_rescale_q(picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+ else if (picref->pts != AV_NOPTS_VALUE)
+ filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
+ ost->filter->filter->inputs[0]->time_base,
+ ost->st->codec->time_base) -
+ av_rescale_q(of->start_time,
+ AV_TIME_BASE_Q,
+ ost->st->codec->time_base);
//if (ost->source_index >= 0)
// *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
@@ -2162,8 +1995,13 @@ static int poll_filters(void)
same_quant ? ost->last_quality :
ost->st->codec->global_quality);
break;
+ case AVMEDIA_TYPE_AUDIO:
+ avfilter_copy_buf_props(filtered_frame, picref);
+ filtered_frame->pts = frame_pts;
+ do_audio_out(of->ctx, ost, filtered_frame);
+ break;
default:
- // TODO support audio/subtitle filters
+ // TODO support subtitle filters
av_assert0(0);
}
@@ -2346,40 +2184,40 @@ static void flush_encoders(void)
continue;
for (;;) {
- AVPacket pkt;
- int fifo_bytes, got_packet;
- av_init_packet(&pkt);
- pkt.data = NULL;
- pkt.size = 0;
+ int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
+ const char *desc;
+ int64_t *size;
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- fifo_bytes = av_fifo_size(ost->fifo);
- if (fifo_bytes > 0) {
- /* encode any samples remaining in fifo */
- int frame_bytes = fifo_bytes;
-
- av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
-
- encode_audio_frame(os, ost, audio_buf, frame_bytes);
- } else {
- /* flush encoder with NULL frames until it is done
- returning packets */
- if (encode_audio_frame(os, ost, NULL, 0) == 0) {
- stop_encoding = 1;
- break;
- }
- }
+ encode = avcodec_encode_audio2;
+ desc = "Audio";
+ size = &audio_size;
break;
case AVMEDIA_TYPE_VIDEO:
+ encode = avcodec_encode_video2;
+ desc = "Video";
+ size = &video_size;
+ break;
+ default:
+ stop_encoding = 1;
+ }
+
+ if (encode) {
+ AVPacket pkt;
+ int got_packet;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
update_benchmark(NULL);
- ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
- update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
+ ret = encode(enc, &pkt, NULL, &got_packet);
+ update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
exit_program(1);
}
- video_size += pkt.size;
+ *size += pkt.size;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
@@ -2392,10 +2230,8 @@ static void flush_encoders(void)
if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost);
- break;
- default:
- stop_encoding = 1;
}
+
if (stop_encoding)
break;
}
@@ -2496,12 +2332,30 @@ static void rate_emu_sleep(InputStream *ist)
}
}
+static int guess_input_channel_layout(InputStream *ist)
+{
+ AVCodecContext *dec = ist->st->codec;
+
+ if (!dec->channel_layout) {
+ char layout_name[256];
+
+ dec->channel_layout = av_get_default_channel_layout(dec->channels);
+ if (!dec->channel_layout)
+ return 0;
+ av_get_channel_layout_string(layout_name, sizeof(layout_name),
+ dec->channels, dec->channel_layout);
+ av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
+ "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
+ }
+ return 1;
+}
+
static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame;
AVCodecContext *avctx = ist->st->codec;
int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
- int i, ret;
+ int i, ret, resample_changed;
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
return AVERROR(ENOMEM);
@@ -2522,6 +2376,13 @@ static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
if (!*got_output) {
/* no audio frame */
+ if (!pkt->size)
+ for (i = 0; i < ist->nb_filters; i++)
+#ifdef SRCA
+ av_buffersrc_buffer(ist->filters[i]->filter, NULL);
+#else
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
+#endif
return ret;
}
@@ -2529,14 +2390,21 @@ static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
the decoder could be delaying output by a packet or more. */
if (decoded_frame->pts != AV_NOPTS_VALUE)
ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
+ else if (pkt->pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = pkt->pts;
+ pkt->pts = AV_NOPTS_VALUE;
+ }else
+ decoded_frame->pts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
+
+#if 1
/* increment next_dts to use for the case where the input stream does not
have timestamps or there are multiple frames in the packet */
ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
-
+#endif
// preprocess audio (volume)
if (audio_volume != 256) {
@@ -2598,12 +2466,54 @@ static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
rate_emu_sleep(ist);
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
+ resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
+ ist->resample_channels != avctx->channels ||
+ ist->resample_channel_layout != decoded_frame->channel_layout ||
+ ist->resample_sample_rate != decoded_frame->sample_rate;
+ if (resample_changed) {
+ char layout1[64], layout2[64];
- if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
- continue;
- do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame);
+ if (!guess_input_channel_layout(ist)) {
+ av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
+ "layout for Input Stream #%d.%d\n", ist->file_index,
+ ist->st->index);
+ exit_program(1);
+ }
+ decoded_frame->channel_layout = avctx->channel_layout;
+
+ av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
+ ist->resample_channel_layout);
+ av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
+ decoded_frame->channel_layout);
+
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
+ ist->resample_channels, layout1,
+ decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
+ avctx->channels, layout2);
+
+ ist->resample_sample_fmt = decoded_frame->format;
+ ist->resample_sample_rate = decoded_frame->sample_rate;
+ ist->resample_channel_layout = decoded_frame->channel_layout;
+ ist->resample_channels = avctx->channels;
+
+ for (i = 0; i < nb_filtergraphs; i++)
+ if (ist_in_filtergraph(filtergraphs[i], ist) &&
+ configure_filtergraph(filtergraphs[i]) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ }
+
+ for (i = 0; i < ist->nb_filters; i++) {
+#ifdef SRCA
+ av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
+#else
+ AVFilterBufferRef *fb= avfilter_get_audio_buffer_ref_from_frame(decoded_frame, AV_PERM_WRITE);
+ av_buffersrc_add_ref(ist->filters[i]->filter, fb, 0*AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT);
+#endif
}
return ret;
@@ -2938,17 +2848,6 @@ static int init_input_stream(int ist_index, char *error, int error_len)
}
assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ist->opts);
-
- if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
- if (ost->source_index == ist_index) {
- if (!ist->st->codec->channel_layout || !ost->st->codec->channel_layout)
- get_default_channel_layouts(ost, ist);
- break;
- }
- }
- }
}
ist->next_pts = AV_NOPTS_VALUE;
@@ -3146,67 +3045,28 @@ static int transcode_init(void)
ist->decoding_needed = 1;
ost->encoding_needed = 1;
- switch (codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- ost->fifo = av_fifo_alloc(1024);
- if (!ost->fifo) {
- return AVERROR(ENOMEM);
- }
-
- if (!codec->sample_rate)
- codec->sample_rate = icodec->sample_rate;
- choose_sample_rate(ost->st, ost->enc);
- codec->time_base = (AVRational){ 1, codec->sample_rate };
-
- if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
- codec->sample_fmt = icodec->sample_fmt;
- choose_sample_fmt(ost->st, ost->enc);
-
- if (ost->audio_channels_mapped) {
- /* the requested output channel is set to the number of
- * -map_channel only if no -ac are specified */
- if (!codec->channels) {
- codec->channels = ost->audio_channels_mapped;
- codec->channel_layout = av_get_default_channel_layout(codec->channels);
- if (!codec->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
- exit_program(1);
- }
- }
- /* fill unused channel mapping with -1 (which means a muted
- * channel in case the number of output channels is bigger
- * than the number of mapped channel) */
- for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
- ost->audio_channels_map[j] = -1;
- } else if (!codec->channels) {
- codec->channels = icodec->channels;
- codec->channel_layout = icodec->channel_layout;
- }
- if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
- codec->channel_layout = 0;
-
-
-// ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
-// ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
-// || codec->channel_layout != icodec->channel_layout;
- icodec->request_channels = codec-> channels;
- ost->resample_sample_fmt = icodec->sample_fmt;
- ost->resample_sample_rate = icodec->sample_rate;
- ost->resample_channels = icodec->channels;
- ost->resample_channel_layout = icodec->channel_layout;
- break;
- case AVMEDIA_TYPE_VIDEO:
- if (!ost->filter) {
+ if (!ost->filter &&
+ (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+ codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
FilterGraph *fg;
fg = init_simple_filtergraph(ist, ost);
- if (configure_video_filters(fg)) {
+ if (configure_simple_filtergraph(fg)) {
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
exit(1);
}
- }
+ }
+ switch (codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ codec->sample_fmt = ost->filter->filter->inputs[0]->format;
+ codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
+ codec->time_base = (AVRational){ 1, codec->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
if (ist && !ost->frame_rate.num)
- ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
+ ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
ost->frame_rate = ost->enc->supported_framerates[idx];
@@ -3409,15 +3269,6 @@ static int transcode_init(void)
input_streams[ost->source_index]->st->index,
ost->file_index,
ost->index);
- if (ost->audio_channels_mapped) {
- av_log(NULL, AV_LOG_INFO, " [ch:");
- for (j = 0; j < ost->audio_channels_mapped; j++)
- if (ost->audio_channels_map[j] == -1)
- av_log(NULL, AV_LOG_INFO, " M");
- else
- av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
- av_log(NULL, AV_LOG_INFO, "]");
- }
if (ost->sync_ist != input_streams[ost->source_index])
av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
ost->sync_ist->file_index,
@@ -3783,11 +3634,8 @@ static int transcode(void)
fclose(ost->logfile);
ost->logfile = NULL;
}
- av_fifo_free(ost->fifo); /* works even if fifo is not
- initialized but set to zero */
av_freep(&ost->st->codec->subtitle_header);
av_free(ost->forced_kf_pts);
- swr_free(&ost->swr);
av_dict_free(&ost->opts);
}
}
@@ -4220,6 +4068,14 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
break;
case AVMEDIA_TYPE_AUDIO:
+ guess_input_channel_layout(ist);
+
+ ist->resample_sample_fmt = dec->sample_fmt;
+ ist->resample_sample_rate = dec->sample_rate;
+ ist->resample_channels = dec->channels;
+ ist->resample_channel_layout = dec->channel_layout;
+
+ break;
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE:
if(!ist->dec)
@@ -4793,7 +4649,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, in
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!ost->stream_copy) {
- char *sample_fmt = NULL;
+ char *sample_fmt = NULL, *filters = NULL;;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@@ -4806,23 +4662,9 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, in
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
- ost->rematrix_volume=1.0;
- MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
- }
-
- /* check for channel mapping for this audio stream */
- for (n = 0; n < o->nb_audio_channel_maps; n++) {
- AudioChannelMap *map = &o->audio_channel_maps[n];
- InputStream *ist = input_streams[ost->source_index];
- if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
- (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
- (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
- if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
- ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
- else
- av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
- ost->file_index, ost->st->index);
- }
+ MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+ if (filters)
+ ost->avfilter = av_strdup(filters);
}
return ost;
@@ -5697,6 +5539,11 @@ static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg
return parse_option(o, "filter:v", arg, options);
}
+static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "filter:a", arg, options);
+}
+
static int opt_vsync(const char *opt, const char *arg)
{
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
@@ -5879,8 +5726,8 @@ static const OptionDef options[] = {
{ "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
{ "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
- { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
{ "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
+ { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
/* subtitle options */
{ "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 14:44:38 +0000